Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
10/2008
10/07/2008US7433598 Uncooled laser generation of narrowcast CATV signal
10/07/2008US7433597 Deflection routing address method for all-optical packet-switched networks with arbitrary topologies
10/07/2008US7433594 Node apparatus, optical wavelength division multiplexing network, and system switching method
10/07/2008US7433593 Switching algorithm for optical fiber networks
10/07/2008US7433572 Optical bypass method and architecture
10/07/2008US7433564 Optical device for optical communication
10/07/2008US7433371 Optical cross connect apparatus and network
10/02/2008WO2008117433A1 Optical communication base station, optical signal converting apparatus and optical signal converting method
10/02/2008WO2008117035A1 A repeater
10/02/2008WO2008117032A1 Processing data
10/02/2008WO2008116407A1 A method, system and device for transmitting data in optical network
10/02/2008US20080240720 Terminal device, center device, optical communication network system and upstream signal timing control method
10/02/2008US20080240719 Method and apparatus for establishing system delay time and frame length in time division duplexing system
10/02/2008US20080240718 Free-Space Communications System and Method
10/02/2008US20080240717 Optical transmitter/receiver module
10/02/2008US20080240716 Beam position sensor
10/02/2008US20080240715 Optical fiber array alignment unit
10/02/2008US20080240650 Optical switch and method of adjusting optical switch
10/02/2008US20080240410 Systems and method for orthogonal frequency divisional multiplexing
10/02/2008US20080240214 Systems and method for orthogonal frequency divisional multiplexing
10/02/2008US20080239470 Individual band gain equalizer for optical amplifiers
10/02/2008US20080239469 Gain control apparatus, optical transmission apparatus, gain control method for optical amplifier, and wavelength multiplex optical transmission system
10/01/2008EP1974511A2 Small form factor, pluggable onu
10/01/2008EP1974489A1 Use of beacons in a wdm communication system
10/01/2008CN101278508A System and method for providing fault protection in optical network
10/01/2008CN101277546A RPU control protocol for light synthetic switch OIS network application supporting WiNAX multi-service transmission
10/01/2008CN101277163A Light synthetic switching OIS network based on WDM capable of supporting WiMAX multi-service transmission
09/2008
09/30/2008US7430373 Optical node processor, optical network system and its control method
09/30/2008US7430372 Optical transmission system
09/30/2008US7430346 Non-blocking cyclic AWG-based node architectures
09/30/2008US7430344 Acousto-optic device and fabrication method of acousto-optic device
09/29/2008CA2622248A1 Optical device and manufacturing method thereof
09/25/2008WO2008114438A1 Transmission line monitoring method and device
09/25/2008WO2008114352A1 Optical transmission device
09/25/2008WO2008113273A1 A wavelength division multiplexing equipment and a method for implementing the function of wavelength division multiplex
09/25/2008WO2008113266A1 A scheduling equipment and a scheduling method in optical communication network
09/25/2008WO2008113176A1 Planar waveguide wavelength dispersive devices with multiple waveguide input aperture
09/25/2008US20080232816 Polarization-multiplexing optical transmitter polarization-multiplexing optical receiver, polarization-multiplexing optical transceiving system, and controlling method thereof
09/25/2008US20080232815 Dpsk Modulation-Demodulation Method, and Optical Communication Device and Optical Communication System Using the Same
09/25/2008US20080232809 Virtual Burst-Switching Networks
09/25/2008US20080232808 Optical waveform controlling apparatus
09/25/2008US20080232807 Wavelength Division Multiplexed-Passive Optical Network Capable of High-Speed Transmission of an Optical Signal By Using Modulation Format Having High Spectral Efficiency
09/25/2008US20080232806 Transponder unit, transponder unit control apparatus, transponder unit control method and recording medium recording transponder unit control program
09/25/2008US20080232805 Wavelength-tunable light source and wavelength-division multiplexed transmission system using the source
09/25/2008US20080232804 Pon with protected cross-connect forwarding
09/25/2008US20080232803 Hybrid Optical Network and a Method of Routing Data Packets in a Hybrid Optical Network
09/25/2008US20080232802 Method For Protecting Cross-Ring Service in Optical Network
09/25/2008US20080232800 Method and apparatus for switching optical wavelengths
09/25/2008US20080232799 Method and apparatus for duplex communication in hybrid fiber-radio systems
09/25/2008US20080232796 Optical signal monitoring system and optical signal monitoring method
09/25/2008US20080232794 Pon with distributed virtual port loopback
09/25/2008US20080232738 Systems and methods for side-lobe compensation in reconfigurable optical add-drop multiplexers
09/25/2008DE19833132B4 Vorrichtung und Verfahren zur Vereinigung von Lichtstrahlen mit Hilfe zweier flacher Platten mit einem dazwischenliegenden Luftspalt Apparatus and method for combining light beams using two flat plates with an air gap therebetween
09/25/2008DE102007013606A1 Verfahren und System zum Lokalisieren einer Dämpfungsänderungsstelle bei einem Lichtwellenleiter A method and system for locating a point of change in damping an optical fiber
09/25/2008CA2680887A1 Planar waveguide wavelength dispersive devices with multiple waveguide input aperture
09/24/2008EP1973252A1 Controllable optical add/drop multiplexer
09/24/2008EP1973247A1 Method, system and device for data transfer in an optical network
09/24/2008EP1973245A1 Waveform shaping apparatus, optical transmission system, and waveform shaping method
09/24/2008EP1972085A1 Optical communication network and method of routing in the network
09/24/2008EP1972084A1 Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method
09/24/2008EP1972083A2 Optical signal measurement system
09/24/2008CN101273557A Monitoring optical transmission method for wavelength division multiplexing transmission system and wavelength division multiplexing transmission apparatus
09/24/2008CN101272215A Optical transmission unit frame generating method and device, method and device for transmitting clock rank
09/24/2008CN101272214A Transmission control method of wavelength division multiplexing system
09/24/2008CN101272213A Method, system and equipment for data transmission in wavelength division multiplexing passive optical network
09/24/2008CN101272187A Light transmission system and method for compensating wavelength dispersion of master signal by complexing non-chromatic dispersion control signal
09/24/2008CN100421359C Method of implementing M:N protection in communication network and its network node device
09/24/2008CN100421023C Optical amplifier for amplifying multi-wavelength light
09/23/2008US7428385 Ethernet PON using time division multiplexing to converge broadcasting/video with data
09/23/2008US7428384 Optical router
09/23/2008US7428382 System and method for performing in-service fiber optic network certification
09/23/2008US7428355 Wavelength selective and level adjusting optical device
09/23/2008US7428212 Best effort technique for virtual path restoration
09/23/2008US7428096 Optical pulse compressor, optical function generator, optical pulse compression method, and optical function generation method
09/22/2008CA2625902A1 Backbone transmission apparatus and method having apparatus internal alarm suppression function
09/18/2008WO2008110284A1 Interface component and method for the operation thereof
09/18/2008WO2008110214A1 Communications node for and method of routing optical data packet signals
09/18/2008WO2008036494A3 Optical aggregation and proxy device
09/18/2008US20080226296 Optical transmitter with suppressing wavelength deviation at begging of operation
09/18/2008US20080226295 Light modulating apparatus
09/18/2008US20080226294 Passive optical network system and method of data transmission in the passive optical network
09/18/2008US20080226292 Method and Processing Device for Transmitting Ethernet Service Signals in Wavelength Division Multiplexing Networks
09/18/2008US20080226291 Optical receiving apparatus and optical level adjusted quantity setting method therefor
09/18/2008US20080226290 Optical signal monitoring apparatus, optical system and optical signal monitoring method
09/18/2008US20080225898 Method and apparatus for detecting and compensating for jitter in a communications network
09/18/2008US20080225692 Systems and method for orthogonal frequency divisional multiplexing
09/18/2008US20080225691 Systems and method for orthogonal frequency divisional multiplexing
09/18/2008US20080225690 Systems and method for orthogonal frequency divisional multiplexing
09/17/2008EP1971060A1 Controllable optical multiplexer
09/17/2008EP1971057A2 Passive optical network and method of data transmission in the passive optical network
09/17/2008EP1971050A1 An optical transport node construction device and service dispatch method
09/17/2008EP1971049A1 Interface module and method for its operation
09/17/2008EP1969748A1 Optical transmission between a central terminal and a plurality of client terminals via an optical network
09/17/2008EP1969747A1 Open fiber control and loss of light propagation in time division multiplexed inter-system channel link
09/17/2008CN101267276A Multiplexed optical signal transmission apparatus
09/17/2008CN101267257A Multi-stage optical amplifier and method of controlling the same
09/17/2008CN101267256A 光传输装置及其控制方法 Optical transmission device and control method
09/17/2008CN100420309C Large volume optical route device utilizing electrical buffer
09/17/2008CN100420174C Automatic gain controlled optical enlarger
09/17/2008CN100420173C 光通信系统 The optical communication system